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phlogiston

/flɒˈdʒɪs.tən/

1 entry

noun

/flɒˈdʒɪs.tən/C2formalscientificobsolete
  • ruГипотетическое вещество, которое, как считалось ранее, содержится во всех горючих материалах и выделяется при горении; концепция, ныне опровергнутая современной химией.

A hypothetical substance once thought to be contained in all combustible materials and released during combustion, a concept now discredited in modern chemistry.

uncountable

  1. C2formalscientific

    A hypothetical substance once believed to be present in all combustible materials and to be released during burning.

    ruГипотетическое вещество

    • According to the phlogiston theory, burning wood releases phlogiston into the air.
    • Scientists in the 18th century believed that metals contained phlogiston.
    • The phlogiston theory was eventually replaced by the oxygen theory of combustion.